| Name | Parmelia omphalodes f. caesiopruinosa Nylander ex Norrlin |
| Authorship | Nylander ex Norrlin |
| Rank | Forma |
| Placed in | Parmelia omphalodes (Linnaeus) Acharius |
| GUID | urn:lsid:indexfungorum.org:names:452368 |
| Citation | 1872 Not. Sallsk. Fauna Fl. Fenn. Forh. 13: 324 |
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